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Mechanical characteristics of rice stalk

机译：稻秆的机械特性

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Flexural rigidity and deflection characteristics of rice stalks were examined in order to make clear the mechanical interaction between a rice stalk and a combine reel in harvesting. Deflection of a rice stalk caused by reel operation is so largethat conventional equation of small deflection for elastic beam cannot be adapted to a presumption of a deflection characteristics. Therefore, equation of large deflection for elastic beam were introduced to solve this problem. Availability of thisequation was examined by comparison with the measuring results of piano wire, and relationship between deflection and load acting on a rice stalk was presumed by this equation. As a result, measuring results corresponded to predicted ones considerably.Furthermore, the flexural rigidity of rice stalk varied on the direction of height, was discussed.
机译：检查稻秆的抗弯刚度和挠度特性，以明确稻秆与联合收割机在收获时的机械相互作用。卷轴操作引起的稻秆偏转太大，以至于传统的弹性梁小偏转方程式无法适应偏转特性的推定。因此，引入弹性梁的大挠度方程来解决该问题。通过与钢琴线的测量结果进行比较，检验了该方程的可用性，并通过该方程式推测了挠度与作用在稻秆上的载荷之间的关系。因此，测量结果与预测值相当。讨论了稻秆的抗弯刚度随高度方向的变化。

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